December Weather in Saltillo, Mexico

Last updated: April 22, 2025

In Saltillo, Mexico, December showcases a diverse climate with maximum temperatures reaching 26°C (79°F) and an average of 15°C (59°F). As the month progresses, night temperatures can drop to a minimum of 2°C (36°F), creating a notable temperature swing. Humidity levels are relatively high at 86%, contributing to a damp atmosphere. December also sees about 52 mm (2.0 in) of precipitation spread over 12 days, making it a month of sporadic rains amidst the cooler weather. This combination of temperatures and humidity gives December a unique character, inviting residents and visitors alike to experience Saltillo's enchanting winter charm.

December Temperature in Saltillo

In Saltillo, Mexico, December marks a distinct transition in temperatures as the year winds down. With minimums dipping to 2°C (36°F), the crisp mornings signal the arrival of winter, while afternoons bring a gentle warmth, peaking at 26°C (79°F). The average temperature settles around 15°C (59°F), providing a pleasant balance that invites outdoor exploration. As the month progresses, the cool nights and mild days highlight a clear trend: temperatures are gradually decreasing from the milder months of fall, yet remain comfortably suitable for enjoying the region's vibrant culture and natural beauty.

December Weather in Saltillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saltillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec586061656665646565646159
Data source: Temperature data for Saltillo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Saltillo

In December, Saltillo experiences a noteworthy decrease in precipitation compared to the preceding months, with an average of 52 mm (2.0 in) of rainfall over 12 days. This marks a shift towards the drier end of the year, especially following the previous months that often see substantial rainfall, such as May and September. The pattern reveals a transition as winter approaches, with a significant dip in both the volume of rainfall and the number of rainy days. Despite this reduction, December's weather remains relatively wet enough to maintain a vibrant landscape, providing a refreshing contrast to the typically arid backdrop of the region.

December Precipitation Trends in Saltillo

The chart displays monthly precipitation patterns in Saltillo, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6443367919633111419126222710352
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saltillo

In Saltillo, Mexico, December ushers in a notable increase in humidity, reaching 86%, the highest level of the year. This month marks a significant leap from November's 82%, reflecting a trend of rising humidity during the winter months. As the year progresses, humidity gradually ascends from a comfortable 52% in April to the peak experienced in December. This pattern highlights the region's shift towards a more moisture-laden atmosphere as it approaches the colder season, offering a contrast to the drier spring and summer months, where levels fluctuate between 52% and 61%. The steady rise in humidity during the latter part of the year creates a unique ambiance, enveloping Saltillo in a soft, humid embrace as it prepares for the winter chill.

December Average Humidity in Saltillo

This chart illustrates the average monthly humidity levels in Saltillo, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saltillo

In December, Saltillo, Mexico experiences a UV Index of 10, placing it in the very high exposure category with a burn time of 15 minutes. This slight decrease from the extreme levels observed in the preceding months, particularly the consistent UV Index of 15 from March through July, highlights a trend of high sun intensity throughout the year. While December offers a marginal respite, it's essential for residents and visitors alike to remain vigilant about sun protection. For more insights on Saltillo's UV levels throughout the year, explore the detailed information available at Saltillo UV Index.

Maximum UV Index Levels in Saltillo for December

The chart shows the monthly maximum UV Index (UVI) for Saltillo in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151414131110
Data source: Saltillo December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Saltillo

In Saltillo, Mexico, December shines brightly with 313 hours of sunshine, contributing to the region's overall warm and inviting atmosphere. As the year wraps up, sunlight remains plentiful, reflecting a consistent trend throughout the latter months. From July's peak at 332 hours to a stable December, the city enjoys ample daylight that enhances its charm. Interestingly, this trend of generous monthly sunshine continues from the fall, with November also showcasing a robust 303 hours. It's clear that while winter is approaching, Saltillo retains a delightful brightness that makes it a perfect escape for those seeking warmth and light in the cooler months.

Monthly Sunshine Duration in Saltillo: December Highlighted

The December sunshine duration represents the total number of hours Saltillo experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec248h285h322h313h319h286h332h322h298h300h303h313h
Data source: Saltillo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saltillo During December

In Saltillo, Mexico, the likelihood of sunny weather in December is relatively moderate, with a 38% chance of sunshine. This marks a noticeable increase compared to the sunniest months, January and May, both of which hover around 25%, indicating that December is more favorable for those seeking the warmth of the sun. As the year progresses from October and November, both at 26%, the shift to December showcases a slight improvement, hinting at more favorable weather patterns as winter sets in. Despite being part of a generally less sunny season, December offers a refreshing escape to brighter days before the cloudier months of late spring.

Percentage of Sunny Days in December in Saltillo

The chart illustrates the percentage of sunny days in Saltillo throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Saltillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%54%52%38%23%14%17%15%17%26%26%38%
Data source: Saltillo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saltillo in December

In Saltillo, Mexico, December marks the transition into shorter days, with daylight lasting about 11 hours. This duration mirrors the trend set in the preceding months of October and November, creating a consistent rhythm as the year winds down. The daylight hours gradually increase from 11 hours in the depths of winter towards a peak of 13 hours in June, showcasing a predictable progression of light that symbolizes seasonal changes. As the year transitions from the long summer days, it settles into a pattern of approximately 11 to 12 hours of daylight for much of the year, inviting the charm of winter evenings while hinting at the longer days to come with the arrival of spring.

Average Daylight Hours in Saltillo for December

The chart illustrates the variation in daylight duration in Saltillo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 53m13h 4m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: Saltillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saltillo

As December rolls into Saltillo, Mexico, the wind begins to whistle softly, averaging a gentle 1.7 m/s (4 mph). This month typically sees a slight dip in speed compared to the brisker winds of earlier months like March and July, each reaching around 2.1 m/s (5 mph). Notably, December's winds remain consistent with those of other late fall months, hinting at a seasonal calm that complements the cooler temperatures. The trend shows that as the year draws to a close, the winds in Saltillo tend to moderate, creating a serene atmosphere perfect for enjoying the city's festive spirit.

Average December Wind Speed in Saltillo

The chart displays monthly wind speed patterns in Saltillo, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.21.91.71.32.11.71.41.51.81.7 m/s
Data source: Saltillo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saltillo Compares to Other Months

The weather in Saltillo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Saltillo and find detailed weather information for every month.

In December, the weather in Saltillo features a minimum temperature of 2°C (36°F) and an average high of 26°C (79°F), with a total precipitation of 52 mm (2.0 in) over 12 days and an average humidity of 86%. In contrast, January experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and an average high of 27°C (81°F). The month sees increased precipitation at 64 mm (2.5 in) across 13 days, while humidity remains relatively stable at 84%. For more detailed information, check out Saltillo weather in January.

December and February present a mild yet distinct variation in weather conditions. In December, temperatures range from a minimum of 2°C (36°F) to a comfortable maximum of 26°C (79°F), with an average temperature of 15°C (59°F). The month sees about 52 mm (2.0 in) of precipitation spread over 12 days, and humidity remains quite high at 86%. In contrast, February experiences slightly warmer conditions with minimum temperatures at 5°C (41°F) and maximums reaching 29°C (84°F), while maintaining a similar average of 15°C (60°F). Precipitation is reduced to 43 mm (1.7 in) over 11 days, and humidity drops to 73%, making for a drier feel than December. For more detailed insights, check out Saltillo weather in February.

In December, temperatures in Saltillo range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 15°C (59°F). The month experiences higher humidity at 86% and sees around 52 mm (2.0 in) of precipitation over approximately 12 days. In contrast, March offers a slightly warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 29°C (84°F), and an average of 16°C (62°F). Precipitation is lighter in March, totaling 36 mm (1.4 in) across about 8 days, accompanied by significantly lower humidity at 59%. For more detailed information, check out Saltillo weather in March.

December and April exhibit notable differences in weather patterns. December typically sees minimum temperatures around 2°C (36°F) and averages of 15°C (59°F), peaking at 26°C (79°F). This month is characterized by high humidity at 86% and precipitation of 52 mm (2.0 in) over about 12 days. In contrast, April enjoys warmer temperatures, with minimums of 7°C (44°F), an average of 18°C (65°F), and maximums soaring to 31°C (88°F). Although April receives more rainfall—79 mm (3.1 in) spread over 13 days—it benefits from a much lower humidity level of 52%. For a detailed look at the weather specifics in April, you can check out Saltillo weather in April.

December and May present contrasting weather patterns in terms of temperature and precipitation. In December, temperatures range from a mild 2°C (36°F) to a pleasant 26°C (79°F), with an average of 15°C (59°F). However, it sees considerable humidity at 86% and receives about 52 mm (2.0 in) of precipitation over 12 days. In stark contrast, May is noticeably warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), yielding an average of 19°C (67°F). May experiences much higher precipitation at 196 mm (7.7 in) across 24 days, but with more comfortable humidity levels at 53%. For more insights, check out Saltillo weather in May.

In December, temperatures in Saltillo range from a chilly minimum of 2°C (36°F) to a pleasant maximum of 26°C (79°F), averaging around 15°C (59°F). The month sees relatively moderate precipitation with about 52 mm (2.0 in) falling over 12 days, coupled with high humidity levels around 86%. In contrast, June experiences warmer weather with minimum temperatures hovering at 11°C (52°F) and maximums reaching 29°C (85°F), averaging 18°C (66°F). However, June is significantly wetter, with precipitation totaling 331 mm (13.0 in) spread over 27 days and lower humidity at 55%. For more details, you can check Saltillo weather in June.

In comparing December and July, it is evident that both months experience similar maximum temperatures, reaching up to 26°C (79°F). However, December's cooler temperatures range from a minimum of 2°C (36°F) to an average of 15°C (59°F), while July sees milder conditions with a minimum of 10°C (50°F) and an average of 18°C (64°F). Precipitation also varies significantly; December has 52 mm (2.0 in) of rain over 12 days, whereas July experiences more rainfall at 114 mm (4.5 in) over 22 days. Additionally, December has higher humidity levels at 86%, compared to July's 61%. For more detailed information, you can check Saltillo weather in July.

In December, the weather in Saltillo is generally cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F). The month experiences moderate precipitation of 52 mm (2.0 in) over about 12 days, along with high humidity levels around 86%. In contrast, August sees warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 27°C (81°F) while averaging at 18°C (65°F). However, August is notably wetter, accumulating 191 mm (7.5 in) of rainfall across 24 days, alongside lower humidity at 71%. For more detailed information on the climate, visit Saltillo weather in August.

In December, temperatures in Saltillo range from a cooler minimum of 2°C (36°F) to a pleasant maximum of 26°C (79°F), with an average temperature of 15°C (59°F). The month experiences about 52 mm (2.0 in) of precipitation over approximately 12 days, alongside a high humidity level of 86%. In contrast, September is marked by warmer nights with a minimum temperature of 11°C (53°F) and an average of 18°C (65°F), although it can also reach a maximum of 26°C (79°F). However, September is significantly wetter, with 262 mm (10.3 in) of rain spread across 27 days, resulting in a slightly lower humidity of 77%. For more details on the weather patterns specific to that month, you can visit Saltillo weather in September.

When comparing the weather in December and October, there are notable differences in temperature and precipitation. December experiences a broader temperature range with a minimum of 2°C (36°F) and a maximum of 26°C (79°F), averaging at 15°C (59°F). In contrast, October has milder temperatures, with a minimum of 9°C (49°F), maximum of 27°C (81°F), and an average of 18°C (64°F). Precipitation is significantly higher in October, totaling 227 mm (8.9 in) over 24 days, compared to December's 52 mm (2.0 in) over just 12 days. Humidity levels are also higher in December at 86%, while October has a lower humidity of 78%. For a more detailed overview of the conditions in October, you can check Saltillo weather in October.

In comparing the weather of December and November, December exhibits slightly cooler temperatures, with a minimum of 2°C (36°F) and an average of 15°C (59°F), while November's temperatures reach a minimum of 5°C (42°F) and an average of 16°C (61°F). Both months share the same maximum temperature of 26°C (79°F) for December and 26°C (80°F) for November. However, December experiences less precipitation, with 52 mm (2.0 in) over 12 days, compared to November's 103 mm (4.1 in) over 16 days. Humidity levels are relatively high in both months, at 86% in December and 82% in November, contributing to the overall dampness of the season. For more detailed information, check out Saltillo weather in November.

Compare Saltillo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saltillo

As December unfolds in Saltillo, the weather takes a noticeable shift compared to the previous months. With a mild average temperature hovering around 15°C, it offers a refreshing break from the heat of summer. Maximally, temperatures can reach a pleasant 26°C, while the nights can get quite cool, dipping to about 2°C. This month also sees increased humidity levels at 86% and an average of 12 days with precipitation, totaling 52 mm. Such conditions create a unique charm, blending crisp air with the occasional winter drizzle, making December an enchanting time to explore the beauty of Saltillo. For more insights on Saltillo’s changing seasons, visit Saltillo Climate.